Article ID Journal Published Year Pages File Type
5220183 Tetrahedron 2011 5 Pages PDF
Abstract

A convenient and efficient Cu(OTf)2-catalyzed arylation of indolin-2,3-ones with arylboronic acids using cheap 1,10-phenanthroline hydrate as ligand was developed under air atmosphere, achieving 3-aryl-3-hydroxy-2-oxindoles in good to excellent yields. This catalytic system shows broad functional group tolerance. Moreover, the rigorous exclusion of air/moisture is not required in these transformations.

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Physical Sciences and Engineering Chemistry Organic Chemistry
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